[Libguestfs] ANNOUNCE: libguestfs 1.48 and guestfs-tools 1.48 released
Richard W.M. Jones
rjones at redhat.com
Mon Mar 14 15:32:04 UTC 2022
I'm pleased to announce the simultaneous releases of libguestfs 1.48
and guestfs-tools 1.48. These are a library and a set of convenient
tools for accessing and modifying filesystems inside virtual machines
and disk images, securely and without needing root access.
You can download both projects here:
https://download.libguestfs.org/1.48-stable/
https://download.libguestfs.org/guestfs-tools/1.48-stable/
Release notes are attached below or online here:
https://libguestfs.org/guestfs-release-notes-1.48.1.html
https://libguestfs.org/guestfs-tools-release-notes-1.48.1.html
Rich.
----------------------------------------------------------------------
RELEASE NOTES FOR LIBGUESTFS 1.48
These are the release notes for libguestfs stable release 1.48. This
describes the major changes since 1.46.
Libguestfs 1.48.0 was released on 14 March 2022.
Some features removed
The following little used, experimental or unsafe features have been
removed:
"Libguestfs live" was an experimental feature that allowed you (in
theory) to connect to an existing instance of the libguestfs daemon in
a running guest. If you want to do this we recommend installing qemu-
guest-agent in the guest instead and using the APIs provided by it.
The related "unix:" backend has been removed. The guestfish(1) and
guestmount(1) --live option now prints an error.
The User-mode Linux ("uml") backend has been removed. It was an
alternate hypervisor that could be used instead of qemu. It had many
limitations including lack of network support, and lack of qemu native
features like qcow2 or network-backed disks. In addition it was slower
than KVM and particular features like bulk upload/download were
painfully slow. Also the UML feature of Linux that it was based on
often does not work.
The 9pfs APIs "guestfs_list_9p" and "guestfs_mount_9p" have been
deprecated and now return errors. This was related to an experimental
feature for passing through host filesystems to the appliance. You had
to hand-hack the qemu command line for this to work and it did not fit
the libguestfs model very well.
"guestfs_add_drive" no longer supports hotplugging (adding a drive
after launch), and "guestfs_remove_drive" has been deprecated and now
returns an error. Hotplugging was an unsuccessful feature which was
complicated to implement and maintain, and was slow and insecure. It
also only worked with the non-default libvirt backend, and was never
implemented in the default "direct" backend.
Language bindings
Fix allocation and deallocation of string lists in golang bindings
(Laszlo Ersek).
Multiple fixes to the OCaml bindings: Fix warnings, move minimum
version to OCaml 4.04, replace various deprecated OCaml features with
modern OCaml features.
Running "make distclean" in the rust directory now completely cleans
the cargo temporary files.
Inspection
Fix inspection of modern Pardus GNU/Linux (Laszlo Ersek).
Add support for Kylin (Laszlo Ersek).
Add support for Rocky Linux (Neil Hanlon).
Inspection of guests which use LUKS encryption on top of LVM logical
volumes should now work (Laszlo Ersek).
API
New APIs
No new APIs were added in libguestfs 1.48.
Other API changes
"guestfs_list_9p" and "guestfs_mount_9p" are deprecated and now return
errors.
"guestfs_remove_drive" has been deprecated and now returns an error.
In "guestfs_xfs_admin" the "lazycounter" parameter is deprecated
because it is no longer supported in recent versions of XFS.
Partition APIs now cope with the broken MBR partition tables created by
dosfstools ≥ 4.2 (Laszlo Ersek).
In "guestfs_md_create" the "chunk" parameter should not be used with
RAID 1. Previously it was allowed but ignored, but now it will give an
error (Laszlo Ersek).
Build changes
Multiple compiler warnings fixed and/or analyzed and suppressed (Laszlo
Ersek).
Fix detection of optional Yara library using pkg-config instead of
checking for library/header file (Laszlo Ersek).
Update valgrind suppressions for glibc 2.35, OCaml 4.13 and libvirt
7.7. "make check-valgrind" works again.
If using libvirt ≥ 3.8.0, we now use <interface> to create the
appliance network interface instead of adding qemu command line
parameters (Laszlo Ersek).
The guestfs-release-notes(1) page was a broken link, but it has now
been restored as a new page that links to the release notes from each
stable release.
Internals
The libc API strerror_r(3) is difficult to use correctly because of
differing signatures in glibc and other libc. A wrapper
"guestfs_int_strerror" has been created to hide the differences.
Bugs fixed
https://bugzilla.redhat.com/2030709
[RFE] libguestfs: Add Rocky Linux support
https://bugzilla.redhat.com/2030396
Fix usage of strerror_r which caused corrupted error messages
https://bugzilla.redhat.com/2024022
xfs-admin: Cannot disable lazy-counters on V5 fs
https://bugzilla.redhat.com/1995391
RFE: virt-inspector fails to detect the distro and applications on
Kylin-Desktop-V10 image
https://bugzilla.redhat.com/1993842
RFE: virt-inspector fails to detect the distro on Pardus-19.5 image
https://bugzilla.redhat.com/1931821
work around mkfs.vfat writes corrupted filesystem/partition table
when used on whole block device
https://bugzilla.redhat.com/1451665
RFE: Virt-v2v can't convert the guest which has encrypted partition
SEE ALSO
guestfs-examples(1), guestfs-faq(1), guestfs-performance(1),
guestfs-recipes(1), guestfs-testing(1), guestfs(3), guestfish(1),
http://libguestfs.org/
AUTHORS
Laszlo Ersek
Neil Hanlon
Richard W.M. Jones
COPYRIGHT
Copyright (C) 2009-2022 Red Hat Inc.
----------------------------------------------------------------------
RELEASE NOTES FOR GUESTFS TOOLS 1.48
These are the release notes for guestfs tools stable release 1.48.
This describes the major changes since 1.46.
Guestfs tools 1.48.0 was released on 14 March 2022.
virt-builder
New templates: "alma-8.5", "centosstream-8", "debian-11", "fedora-34",
"fedora-34" (armv7l), "fedora-35" "fedora-35" (aarch64) (Lars Kaiser,
Stef Walter).
New fedora-34 (armv7l) template is built to use UEFI.
virt-customize
The yescrypt password hashing method is now supported (Björn Esser).
virt-inspector
Recognise "kalilinux", "kylin" and "msdos" operating systems / Linux
distros (Laszlo Ersek).
Inspection of LUKS encrypted filesystems placed directly on logical
volumes is now supported, but you will need libguestfs ≥ 1.48 (Laszlo
Ersek).
virt-sysprep
Add a new default operation called "net-nmconn" which removes
NetworkManager connection profiles (Laszlo Ersek).
virt-win-reg
"virt-win-reg --version" now prints both the version of guestfs tools
and the libguestfs library that it is linked with.
Common changes
All OCaml tools now suppress line wrapping when output is redirected to
a file (to make it easier to parse logs with external programs). There
is a new --wrap option which can be used to reenable line wrapping to
files if needed (Laszlo Ersek).
Build changes
Multiple fixes to make it easier to build against either the system
installed libguestfs or a locally built libguestfs (Laszlo Ersek).
Fix multiple OCaml warnings. Remove some deprecated OCaml features.
We now require OCaml ≥ 4.04.
Multiple fixes to valgrind support for glibc 2.35, OCaml 4.13 and
libvirt 7.7. "make check-valgrind" should now work.
Internals
New OCaml "On_exit" module (from libguestfs-common) is used instead of
custom on-exit and signal handling.
Bugs fixed
https://bugzilla.redhat.com/2003706
virt-install armv7 guest on aarch64 host doesn't work, no LPAE
support and no PCI devices
https://bugzilla.redhat.com/1995391
RFE: virt-inspector fails to detect the distro and applications on
Kylin-Desktop-V10 image
https://bugzilla.redhat.com/1980922
virt-sysprep doesn't cleanup NetworkManager connection files
https://bugzilla.redhat.com/1961160
The version is incorrect when running 'virt-win-reg --version'
https://bugzilla.redhat.com/1820221
Log lines wrapping make log parsing difficult
https://bugzilla.redhat.com/1658126
Virt-v2v can't convert guest using LUKS-on-LV
https://bugzilla.redhat.com/1633328
Armv7 guest fails to boot with qemu-3.0.0-1
SEE ALSO
http://libguestfs.org/
AUTHORS
Björn Esser
Lars Kaiser
Laszlo Ersek
Richard W.M. Jones
Stef Walter
COPYRIGHT
Copyright (C) 2009-2022 Red Hat Inc.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-top is 'top' for virtual machines. Tiny program with many
powerful monitoring features, net stats, disk stats, logging, etc.
http://people.redhat.com/~rjones/virt-top
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